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Senior Software Engineer - Customer Success

Feedzai
Portugal Full Time Negotiable Sep 15, 2026

About the Job

At Feedzai, we're building a world of safer money. A world where financial institutions move faster than criminals. Where the payments that fund real lives through salaries, savings, and businesses are protected in real time. We use trusted AI to detect and prevent financial crime, fraud, and money laundering at sca...

The Customer Success Engineering team works directly with clients to ensure that every technical aspect of our product—installation, configuration, and customization—is delivered smoothly and at the highest standard. We act as technical consultants, helping clients solve complex and unique challenges. Our team is dy...

As a Senior Software Engineer in the Customer Success Department, you will be responsible for making sure our products are installed and meet our clients requirements with integration and performance management. You will work with a broad range of technologies including multiple flavours of SQL, NoSQL database, on-p...

Key Responsibilities

Execute full software development life cycle, including building integrations and enhancements to Feedzai core product;
Write well-designed, testable code;
Integrate multiple software components into a fully functional software system;
Troubleshoot, debug and upgrade existing systems;
Deploy and support systems in production;
Comply with best practices and industry standards;
Work with Agile principles to regularly deliver quality products;
Ensure proper feature deployment or product upgrades;
Provide Second Tier support for clients that are live;
Mentor, coach and inspire other members of the team, helping to foster software development best practices.

  

Required Skills & Abilities

A Bachelor of Science and or a Master of Science in Computer Science, a degree in a comparable field, or equivalent work experience;
4 + years of extensive work experience in Java software development;
Thread and JVM Memory Management in high-performance systems;
Client engagement experience and ability to act as a consultant to our clients;
Excellent English communication skills, both verbal and written;
Experience with Zookeeper, RabbitMQ, Cassandra, Ansible, Docker, Databases (nice to have).
The Customer Success Team is responsible for delivering our product to our clients. This includes configuration, solution development, and risk strategy to enable them to address their pain points. We collaborate with our clients to ensure they have the right solution, build out a strategy and training plan for them, and then support them through each phase of our client lifecycle. We grow at a fast clip and believe no challenge is too big or too small. Therefore, we have an open environment that encourages us to lean in, try new things, and discover our potential. Join us!
Your First 30-Days at Feedzai:
You will be immersed in our brand with training, connections, and one-on-one time with your manager. You may shadow your colleagues virtually or onsite at an office depending on where you work as you are supported through your Feedzai journey. In addition, you will have access to a ton of information to give you history, context, and all the knowledge you can handle about Feedzai and the team. Finally, you will start working on projects and collaborating on work currently being done. We can't wait to have you join the team!
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Qualifications

Education: Master

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